Finding the Fourth Proportional to 112,111.51, 154,715.93 and 61,124.65

Step by Step Solution

1. Step 1: Write the proportion equation
   112,111.51 : 154,715.93 = 61,124.65 : x
2. Step 2: Convert to fraction form
   112,111.51/154,715.93 = 61,124.65/x
3. Step 3: Cross multiply
   112,111.51x = 154,715.93 × 61,124.65
4. Step 4: Simplify right side
   112,111.51x = 9,456,957,070.67
5. Step 5: Solve for x
   x = 9,456,957,070.67/112,111.51
6. Step 6: Final answer
   x = 84,353.13